EP0631325A3 - Semiconductor device with an oriented non single crystal silicon thin film and method for its preparation. - Google Patents
Semiconductor device with an oriented non single crystal silicon thin film and method for its preparation. Download PDFInfo
- Publication number
- EP0631325A3 EP0631325A3 EP94304663A EP94304663A EP0631325A3 EP 0631325 A3 EP0631325 A3 EP 0631325A3 EP 94304663 A EP94304663 A EP 94304663A EP 94304663 A EP94304663 A EP 94304663A EP 0631325 A3 EP0631325 A3 EP 0631325A3
- Authority
- EP
- European Patent Office
- Prior art keywords
- preparation
- thin film
- semiconductor device
- single crystal
- crystal silicon
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
- 229910021421 monocrystalline silicon Inorganic materials 0.000 title 1
- 239000004065 semiconductor Substances 0.000 title 1
- 239000010409 thin film Substances 0.000 title 1
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L21/00—Processes or apparatus adapted for the manufacture or treatment of semiconductor or solid state devices or of parts thereof
- H01L21/02—Manufacture or treatment of semiconductor devices or of parts thereof
- H01L21/02104—Forming layers
- H01L21/02365—Forming inorganic semiconducting materials on a substrate
- H01L21/02656—Special treatments
- H01L21/02664—Aftertreatments
- H01L21/02667—Crystallisation or recrystallisation of non-monocrystalline semiconductor materials, e.g. regrowth
- H01L21/02672—Crystallisation or recrystallisation of non-monocrystalline semiconductor materials, e.g. regrowth using crystallisation enhancing elements
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L29/00—Semiconductor devices adapted for rectifying, amplifying, oscillating or switching, or capacitors or resistors with at least one potential-jump barrier or surface barrier, e.g. PN junction depletion layer or carrier concentration layer; Details of semiconductor bodies or of electrodes thereof ; Multistep manufacturing processes therefor
- H01L29/66—Types of semiconductor device ; Multistep manufacturing processes therefor
- H01L29/68—Types of semiconductor device ; Multistep manufacturing processes therefor controllable by only the electric current supplied, or only the electric potential applied, to an electrode which does not carry the current to be rectified, amplified or switched
- H01L29/76—Unipolar devices, e.g. field effect transistors
- H01L29/772—Field effect transistors
- H01L29/78—Field effect transistors with field effect produced by an insulated gate
- H01L29/786—Thin film transistors, i.e. transistors with a channel being at least partly a thin film
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L21/00—Processes or apparatus adapted for the manufacture or treatment of semiconductor or solid state devices or of parts thereof
- H01L21/02—Manufacture or treatment of semiconductor devices or of parts thereof
- H01L21/02104—Forming layers
- H01L21/02365—Forming inorganic semiconducting materials on a substrate
- H01L21/02518—Deposited layers
- H01L21/02521—Materials
- H01L21/02524—Group 14 semiconducting materials
- H01L21/02532—Silicon, silicon germanium, germanium
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L21/00—Processes or apparatus adapted for the manufacture or treatment of semiconductor or solid state devices or of parts thereof
- H01L21/02—Manufacture or treatment of semiconductor devices or of parts thereof
- H01L21/02104—Forming layers
- H01L21/02365—Forming inorganic semiconducting materials on a substrate
- H01L21/02518—Deposited layers
- H01L21/02609—Crystal orientation
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L21/00—Processes or apparatus adapted for the manufacture or treatment of semiconductor or solid state devices or of parts thereof
- H01L21/02—Manufacture or treatment of semiconductor devices or of parts thereof
- H01L21/02104—Forming layers
- H01L21/02365—Forming inorganic semiconducting materials on a substrate
- H01L21/02656—Special treatments
- H01L21/02664—Aftertreatments
- H01L21/02667—Crystallisation or recrystallisation of non-monocrystalline semiconductor materials, e.g. regrowth
- H01L21/02675—Crystallisation or recrystallisation of non-monocrystalline semiconductor materials, e.g. regrowth using laser beams
- H01L21/02686—Pulsed laser beam
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L29/00—Semiconductor devices adapted for rectifying, amplifying, oscillating or switching, or capacitors or resistors with at least one potential-jump barrier or surface barrier, e.g. PN junction depletion layer or carrier concentration layer; Details of semiconductor bodies or of electrodes thereof ; Multistep manufacturing processes therefor
- H01L29/66—Types of semiconductor device ; Multistep manufacturing processes therefor
- H01L29/68—Types of semiconductor device ; Multistep manufacturing processes therefor controllable by only the electric current supplied, or only the electric potential applied, to an electrode which does not carry the current to be rectified, amplified or switched
- H01L29/76—Unipolar devices, e.g. field effect transistors
- H01L29/772—Field effect transistors
- H01L29/78—Field effect transistors with field effect produced by an insulated gate
- H01L29/786—Thin film transistors, i.e. transistors with a channel being at least partly a thin film
- H01L29/78651—Silicon transistors
- H01L29/7866—Non-monocrystalline silicon transistors
- H01L29/78672—Polycrystalline or microcrystalline silicon transistor
- H01L29/78675—Polycrystalline or microcrystalline silicon transistor with normal-type structure, e.g. with top gate
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP00201134A EP1026751A3 (en) | 1993-06-25 | 1994-06-27 | Semiconductor device and method for its preparation |
EP00201135A EP1026752B1 (en) | 1993-06-25 | 1994-06-27 | Method for preparation of a semiconductor device |
Applications Claiming Priority (6)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP18075293 | 1993-06-25 | ||
JP18075293 | 1993-06-25 | ||
JP180752/93 | 1993-06-25 | ||
JP36616/94 | 1994-02-08 | ||
JP3661694 | 1994-02-08 | ||
JP3661694 | 1994-02-08 |
Related Child Applications (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP00201135A Division EP1026752B1 (en) | 1993-06-25 | 1994-06-27 | Method for preparation of a semiconductor device |
EP00201134A Division EP1026751A3 (en) | 1993-06-25 | 1994-06-27 | Semiconductor device and method for its preparation |
Publications (3)
Publication Number | Publication Date |
---|---|
EP0631325A2 EP0631325A2 (en) | 1994-12-28 |
EP0631325A3 true EP0631325A3 (en) | 1996-12-18 |
EP0631325B1 EP0631325B1 (en) | 2003-05-07 |
Family
ID=26375695
Family Applications (3)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP00201134A Withdrawn EP1026751A3 (en) | 1993-06-25 | 1994-06-27 | Semiconductor device and method for its preparation |
EP94304663A Expired - Lifetime EP0631325B1 (en) | 1993-06-25 | 1994-06-27 | Semiconductor device with an oriented non single crystal silicon thin film and method for its preparation |
EP00201135A Expired - Lifetime EP1026752B1 (en) | 1993-06-25 | 1994-06-27 | Method for preparation of a semiconductor device |
Family Applications Before (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP00201134A Withdrawn EP1026751A3 (en) | 1993-06-25 | 1994-06-27 | Semiconductor device and method for its preparation |
Family Applications After (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP00201135A Expired - Lifetime EP1026752B1 (en) | 1993-06-25 | 1994-06-27 | Method for preparation of a semiconductor device |
Country Status (6)
Country | Link |
---|---|
US (1) | US5882960A (en) |
EP (3) | EP1026751A3 (en) |
KR (2) | KR100299721B1 (en) |
CN (4) | CN1055786C (en) |
DE (2) | DE69435114D1 (en) |
TW (1) | TW295703B (en) |
Families Citing this family (67)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6730549B1 (en) | 1993-06-25 | 2004-05-04 | Semiconductor Energy Laboratory Co., Ltd. | Semiconductor device and method for its preparation |
JPH0766424A (en) | 1993-08-20 | 1995-03-10 | Semiconductor Energy Lab Co Ltd | Semiconductor device and its manufacture |
TW264575B (en) * | 1993-10-29 | 1995-12-01 | Handotai Energy Kenkyusho Kk | |
JP2860869B2 (en) * | 1993-12-02 | 1999-02-24 | 株式会社半導体エネルギー研究所 | Semiconductor device and manufacturing method thereof |
KR100319332B1 (en) * | 1993-12-22 | 2002-04-22 | 야마자끼 순페이 | Semiconductor device and electro-optical device |
US6706572B1 (en) | 1994-08-31 | 2004-03-16 | Semiconductor Energy Laboratory Co., Ltd. | Method for manufacturing a thin film transistor using a high pressure oxidation step |
KR100265179B1 (en) * | 1995-03-27 | 2000-09-15 | 야마자끼 순페이 | Semiconductor device and manufacturing method thereof |
JP3645380B2 (en) | 1996-01-19 | 2005-05-11 | 株式会社半導体エネルギー研究所 | Manufacturing method of semiconductor device, information terminal, head mounted display, navigation system, mobile phone, video camera, projection display device |
JP3729955B2 (en) | 1996-01-19 | 2005-12-21 | 株式会社半導体エネルギー研究所 | Method for manufacturing semiconductor device |
JP3645379B2 (en) * | 1996-01-19 | 2005-05-11 | 株式会社半導体エネルギー研究所 | Method for manufacturing semiconductor device |
US5985740A (en) | 1996-01-19 | 1999-11-16 | Semiconductor Energy Laboratory Co., Ltd. | Method of manufacturing a semiconductor device including reduction of a catalyst |
US6478263B1 (en) | 1997-01-17 | 2002-11-12 | Semiconductor Energy Laboratory Co., Ltd. | Semiconductor device and its manufacturing method |
JP3645378B2 (en) | 1996-01-19 | 2005-05-11 | 株式会社半導体エネルギー研究所 | Method for manufacturing semiconductor device |
US5888858A (en) | 1996-01-20 | 1999-03-30 | Semiconductor Energy Laboratory Co., Ltd. | Semiconductor device and fabrication method thereof |
US6180439B1 (en) * | 1996-01-26 | 2001-01-30 | Semiconductor Energy Laboratory Co., Ltd. | Method for fabricating a semiconductor device |
US7056381B1 (en) * | 1996-01-26 | 2006-06-06 | Semiconductor Energy Laboratory Co., Ltd. | Fabrication method of semiconductor device |
US6465287B1 (en) | 1996-01-27 | 2002-10-15 | Semiconductor Energy Laboratory Co., Ltd. | Method for fabricating a semiconductor device using a metal catalyst and high temperature crystallization |
TW374196B (en) * | 1996-02-23 | 1999-11-11 | Semiconductor Energy Lab Co Ltd | Semiconductor thin film and method for manufacturing the same and semiconductor device and method for manufacturing the same |
TW335503B (en) | 1996-02-23 | 1998-07-01 | Semiconductor Energy Lab Kk | Semiconductor thin film and manufacturing method and semiconductor device and its manufacturing method |
US5792700A (en) * | 1996-05-31 | 1998-08-11 | Micron Technology, Inc. | Semiconductor processing method for providing large grain polysilicon films |
JPH09321310A (en) * | 1996-05-31 | 1997-12-12 | Sanyo Electric Co Ltd | Manufacture of semiconductor device |
TW451284B (en) | 1996-10-15 | 2001-08-21 | Semiconductor Energy Lab | Semiconductor device and method of manufacturing the same |
JP3630894B2 (en) | 1996-12-24 | 2005-03-23 | 株式会社半導体エネルギー研究所 | Charge transfer semiconductor device, manufacturing method thereof, and image sensor |
JPH10199807A (en) | 1996-12-27 | 1998-07-31 | Semiconductor Energy Lab Co Ltd | Manufacture of crystalline silicon film |
JPH10200114A (en) * | 1996-12-30 | 1998-07-31 | Semiconductor Energy Lab Co Ltd | Thin film circuit |
JP3983334B2 (en) * | 1997-02-20 | 2007-09-26 | 株式会社半導体エネルギー研究所 | Method for manufacturing semiconductor device |
KR100560047B1 (en) * | 1997-02-24 | 2006-05-25 | 가부시키가이샤 한도오따이 에네루기 켄큐쇼 | Semiconductor thin film and semiconductor device |
JP3544280B2 (en) | 1997-03-27 | 2004-07-21 | 株式会社半導体エネルギー研究所 | Method for manufacturing semiconductor device |
US6307214B1 (en) | 1997-06-06 | 2001-10-23 | Semiconductor Energy Laboratory Co., Ltd. | Semiconductor thin film and semiconductor device |
US6452211B1 (en) | 1997-06-10 | 2002-09-17 | Semiconductor Energy Laboratory Co., Ltd. | Semiconductor thin film and semiconductor device |
US6501094B1 (en) * | 1997-06-11 | 2002-12-31 | Semiconductor Energy Laboratory Co., Ltd. | Semiconductor device comprising a bottom gate type thin film transistor |
JP4318768B2 (en) | 1997-07-23 | 2009-08-26 | 株式会社半導体エネルギー研究所 | Method for manufacturing semiconductor device |
JP2000031488A (en) | 1997-08-26 | 2000-01-28 | Semiconductor Energy Lab Co Ltd | Semiconductor device and manufacture thereof |
JP4601731B2 (en) | 1997-08-26 | 2010-12-22 | 株式会社半導体エネルギー研究所 | Semiconductor device, electronic device having semiconductor device, and method for manufacturing semiconductor device |
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JP2000058839A (en) | 1998-08-05 | 2000-02-25 | Semiconductor Energy Lab Co Ltd | Semiconductor device provided with semiconductor circuit composed of semiconductor element and its manufacture |
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JP2000174282A (en) * | 1998-12-03 | 2000-06-23 | Semiconductor Energy Lab Co Ltd | Semiconductor device |
DE69942442D1 (en) | 1999-01-11 | 2010-07-15 | Semiconductor Energy Lab | Semiconductor arrangement with driver TFT and pixel TFT on a substrate |
US6590229B1 (en) * | 1999-01-21 | 2003-07-08 | Semiconductor Energy Laboratory Co., Ltd. | Semiconductor device and process for production thereof |
US6593592B1 (en) * | 1999-01-29 | 2003-07-15 | Semiconductor Energy Laboratory Co., Ltd. | Semiconductor device having thin film transistors |
US6535535B1 (en) | 1999-02-12 | 2003-03-18 | Semiconductor Energy Laboratory Co., Ltd. | Laser irradiation method, laser irradiation apparatus, and semiconductor device |
US7122835B1 (en) * | 1999-04-07 | 2006-10-17 | Semiconductor Energy Laboratory Co., Ltd. | Electrooptical device and a method of manufacturing the same |
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US7232742B1 (en) | 1999-11-26 | 2007-06-19 | Semiconductor Energy Laboratory Co., Ltd. | Method of manufacturing a semiconductor device that includes forming a material with a high tensile stress in contact with a semiconductor film to getter impurities from the semiconductor film |
US6780687B2 (en) * | 2000-01-28 | 2004-08-24 | Semiconductor Energy Laboratory Co., Ltd. | Method of manufacturing a semiconductor device having a heat absorbing layer |
KR100450595B1 (en) * | 2000-02-09 | 2004-09-30 | 히다찌 케이블 리미티드 | Crystalline silicon semiconductor device and method for fabricating same |
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US6737672B2 (en) * | 2000-08-25 | 2004-05-18 | Fujitsu Limited | Semiconductor device, manufacturing method thereof, and semiconductor manufacturing apparatus |
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JP2002176180A (en) * | 2000-12-06 | 2002-06-21 | Hitachi Ltd | Thin film semiconductor element and its manufacturing method |
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US7084423B2 (en) * | 2002-08-12 | 2006-08-01 | Acorn Technologies, Inc. | Method for depinning the Fermi level of a semiconductor at an electrical junction and devices incorporating such junctions |
JP4140765B2 (en) * | 2002-09-19 | 2008-08-27 | コバレントマテリアル株式会社 | Acicular silicon crystal and method for producing the same |
US7560789B2 (en) | 2005-05-27 | 2009-07-14 | Semiconductor Energy Laboratory Co., Ltd. | Semiconductor device |
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US8008735B2 (en) | 2006-03-20 | 2011-08-30 | Semiconductor Energy Laboratory Co., Ltd. | Micromachine device with a spatial portion formed within |
JP6348707B2 (en) * | 2013-12-11 | 2018-06-27 | 東京エレクトロン株式会社 | Amorphous silicon crystallization method, crystallized silicon film formation method, semiconductor device manufacturing method, and film formation apparatus |
CN113725072B (en) * | 2021-08-26 | 2024-04-02 | 长江存储科技有限责任公司 | Method for manufacturing hard mask and method for manufacturing semiconductor device |
Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5868923A (en) * | 1981-10-19 | 1983-04-25 | Nippon Telegr & Teleph Corp <Ntt> | Manufacture of crystalline thin film |
JPS63307776A (en) * | 1987-06-10 | 1988-12-15 | Hitachi Ltd | Thin-film semiconductor device and manufacture thereof |
JPH02148831A (en) * | 1988-11-30 | 1990-06-07 | Hitachi Ltd | Laser annealing method |
US5147826A (en) * | 1990-08-06 | 1992-09-15 | The Pennsylvania Research Corporation | Low temperature crystallization and pattering of amorphous silicon films |
US5153702A (en) * | 1987-06-10 | 1992-10-06 | Hitachi, Ltd. | Thin film semiconductor device and method for fabricating the same |
EP0612102A2 (en) * | 1993-02-15 | 1994-08-24 | Semiconductor Energy Laboratory Co., Ltd. | Crystallized semiconductor layer, semiconductor device using the same and process for their fabrication |
Family Cites Families (14)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5928327A (en) * | 1982-08-09 | 1984-02-15 | Nippon Telegr & Teleph Corp <Ntt> | Forming method of single crystal semiconductor film |
JPS60136304A (en) * | 1983-12-26 | 1985-07-19 | Hitachi Ltd | Manufacture of semiconductor single crystal film |
CA1239706A (en) * | 1984-11-26 | 1988-07-26 | Hisao Hayashi | Method of forming a thin semiconductor film |
DE3779672T2 (en) * | 1986-03-07 | 1993-01-28 | Iizuka Kozo | METHOD FOR PRODUCING A MONOCRISTALLINE SEMICONDUCTOR LAYER. |
JPS6330776A (en) * | 1986-07-24 | 1988-02-09 | Anritsu Corp | Radar image multiple display apparatus |
JPH01132116A (en) * | 1987-08-08 | 1989-05-24 | Canon Inc | Crystal product, preparation thereof, and semiconductor device prepared thereby |
JP2517330B2 (en) * | 1987-11-18 | 1996-07-24 | 三洋電機株式会社 | Method for forming SOI structure |
JPH0232527A (en) * | 1988-07-22 | 1990-02-02 | Nec Corp | Formation of single-crystal thin film |
JPH02143415A (en) * | 1988-11-24 | 1990-06-01 | Nippon Sheet Glass Co Ltd | Formation of single crystal silicon film |
US5278093A (en) * | 1989-09-23 | 1994-01-11 | Canon Kabushiki Kaisha | Method for forming semiconductor thin film |
JP2840434B2 (en) * | 1990-11-15 | 1998-12-24 | キヤノン株式会社 | Crystal formation method |
JPH0571993A (en) | 1991-09-17 | 1993-03-23 | Nec Corp | Base line position adjusting system |
JPH0582442A (en) * | 1991-09-18 | 1993-04-02 | Sony Corp | Manufacture of polycrystalline semiconductor thin film |
US5275851A (en) * | 1993-03-03 | 1994-01-04 | The Penn State Research Foundation | Low temperature crystallization and patterning of amorphous silicon films on electrically insulating substrates |
-
1994
- 1994-06-22 TW TW083105677A patent/TW295703B/zh not_active IP Right Cessation
- 1994-06-24 CN CN94108922A patent/CN1055786C/en not_active Expired - Lifetime
- 1994-06-24 CN CNB991248120A patent/CN1161831C/en not_active Expired - Lifetime
- 1994-06-25 KR KR1019940014938A patent/KR100299721B1/en not_active IP Right Cessation
- 1994-06-27 EP EP00201134A patent/EP1026751A3/en not_active Withdrawn
- 1994-06-27 EP EP94304663A patent/EP0631325B1/en not_active Expired - Lifetime
- 1994-06-27 EP EP00201135A patent/EP1026752B1/en not_active Expired - Lifetime
- 1994-06-27 DE DE69435114T patent/DE69435114D1/en not_active Expired - Lifetime
- 1994-06-27 DE DE69432615T patent/DE69432615T2/en not_active Expired - Lifetime
-
1997
- 1997-08-15 US US08/911,912 patent/US5882960A/en not_active Expired - Lifetime
- 1997-12-29 KR KR1019970075810A patent/KR100306834B1/en not_active IP Right Cessation
-
1998
- 1998-08-15 CN CNB981183824A patent/CN1208807C/en not_active Expired - Fee Related
-
1999
- 1999-11-10 CN CNB991248112A patent/CN1155991C/en not_active Expired - Lifetime
Patent Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5868923A (en) * | 1981-10-19 | 1983-04-25 | Nippon Telegr & Teleph Corp <Ntt> | Manufacture of crystalline thin film |
JPS63307776A (en) * | 1987-06-10 | 1988-12-15 | Hitachi Ltd | Thin-film semiconductor device and manufacture thereof |
US5153702A (en) * | 1987-06-10 | 1992-10-06 | Hitachi, Ltd. | Thin film semiconductor device and method for fabricating the same |
JPH02148831A (en) * | 1988-11-30 | 1990-06-07 | Hitachi Ltd | Laser annealing method |
US5147826A (en) * | 1990-08-06 | 1992-09-15 | The Pennsylvania Research Corporation | Low temperature crystallization and pattering of amorphous silicon films |
EP0612102A2 (en) * | 1993-02-15 | 1994-08-24 | Semiconductor Energy Laboratory Co., Ltd. | Crystallized semiconductor layer, semiconductor device using the same and process for their fabrication |
Non-Patent Citations (3)
Title |
---|
PATENT ABSTRACTS OF JAPAN vol. 007, no. 162 (E - 187) 15 July 1958 (1958-07-15) * |
PATENT ABSTRACTS OF JAPAN vol. 013, no. 147 (E - 741) 11 April 1989 (1989-04-11) * |
PATENT ABSTRACTS OF JAPAN vol. 014, no. 396 (E - 0970) 27 August 1990 (1990-08-27) * |
Also Published As
Publication number | Publication date |
---|---|
TW295703B (en) | 1997-01-11 |
CN1267907A (en) | 2000-09-27 |
EP0631325A2 (en) | 1994-12-28 |
CN1222752A (en) | 1999-07-14 |
KR100299721B1 (en) | 2001-12-15 |
CN1155991C (en) | 2004-06-30 |
EP1026751A2 (en) | 2000-08-09 |
EP0631325B1 (en) | 2003-05-07 |
CN1100562A (en) | 1995-03-22 |
EP1026751A3 (en) | 2002-11-20 |
KR100306834B1 (en) | 2004-02-11 |
DE69432615D1 (en) | 2003-06-12 |
KR19990055848A (en) | 1999-07-15 |
CN1055786C (en) | 2000-08-23 |
US5882960A (en) | 1999-03-16 |
CN1208807C (en) | 2005-06-29 |
DE69432615T2 (en) | 2004-02-19 |
KR950002076A (en) | 1995-01-04 |
EP1026752B1 (en) | 2008-07-09 |
DE69435114D1 (en) | 2008-08-21 |
EP1026752A3 (en) | 2002-11-20 |
CN1267902A (en) | 2000-09-27 |
EP1026752A2 (en) | 2000-08-09 |
CN1161831C (en) | 2004-08-11 |
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